Most recently, it turns out that a piece of levitating graphene can spin faster than any other macroscopic object, thanks to its incredible strength.
最新的研究表明,由于它超高的强度,这样一块石墨薄膜在悬空情况下可以比其它任何宏观物体转的更快。
Although the hydraulic forging press is a more expensive piece of equipment than a drop-forge, it has advantages beside those of giving greater strength and more uniform structure to large components.
虽然这种液压锻机比落锤锻造要昂贵得多,但它除了能给予大零件较高的强度和更均匀的组织外还有其它优点。
Series 7143 features an extra strength permanent magnet pole-piece and high inductance coil.
系列7143具有一个额外的力量永磁极片,高电感线圈。
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